Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when to plant foxglove is to refer to the USDA zone info for Carthage.

Planting Calendar for Foxglove

Frost tolerance for foxglove:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Foxglove can survive in moderate cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant foxglove in Carthage is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant foxglove and expect a good harvest is probably September. You probably don't want to wait any later than that or else your foxglove may not have a chance to grow to maturity. You can get started a little bit earlier by starting your foxglove indoors.

Last Frost Date

The average date of last frost is March 15 in Carthage. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Carthage is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Carthage it frosts late in the year after March 15 so always be ready to cover your foxglove if you have a surprise late frost.

USDA Zone Info for Carthage

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Carthage

You may be interested in your other planting guides for Carthage.